package oj;

/**
 * @author ：冯涛滔
 * @date ：Created in 2020/7/16 17:46
 * @description：
 * @modified By：
 * @version:
 */
public class Pair<T> {
    public T a;

    public T getA() {
        return a;
    }

    public void setA(T a) {
        this.a = a;
    }

    public static void main(String[] args) {
        Pair<L> l = new Pair<>();
        l.setA(new L());
        Pair pair = l;
        L o = (L) pair.getA();
    }
}
